Table 3 Variable means, standard deviations, and F-values by group and time
Measure | Intervention group (n = 43) M (SD) | Control group (n = 41) M (SD) | F(1, 81) (ηp2) | F(1, 81) (ηp2) | ||||
|---|---|---|---|---|---|---|---|---|
Pre-intervention | Post-intervention | Follow-up | Pre-intervention | Post-intervention | Follow-up | Time | Time x group | |
ACS | 4.52 (1.64) | – | 7.06 (2.58) | 2.93 (0.31) | – | 2.65 (1.35) | 2.41 (.029) | 34.08*** (.30) |
WCPA |  |  |  |  |  |  | F(2, 160) (ηp2) | F(2, 160) (ηp2) |
 Efficiency | 0.34 (0.26) | 0.56 (0.36) | 0.60 (0.35) | 0.31 (0.11) | 0.29 (0.11) | 0.27 (0.11) | 3.04 (.037) | 30.69*** (.277) |
 Strategies | 2.49 (0.91) | 3.28 (0.80) | 3.58 (1.03) | 2.56 (0.74) | 2.54 (0.60) | 2.56 (0.67) | 1.74 (.021) | 22.17*** (.217) |
 Correct answers | 6.77 (2.28) | 8.51 (2.77) | 9.16 (2.84) | 6.98 (1.78) | 6.68 (1.63) | 6.63 (1.85) | 2.35 (.029) | 29.89*** (.272) |